Registry, engineering, and operating metrics shown on a consistent EIA basis.
| Metric | Oyster Creek Unit VIII | Mark One Power Station |
|---|---|---|
| Capacity | 497.9 MW | 484 MW |
| Technology | Natural Gas Fired Combined Cycle | Natural Gas Fired Combustion Turbine |
| Operator | Dow Chemical Company-Oyster Creek VIII | City of San Antonio - (TX) |
| Operating units | 4 | 8 |
| Latest 12-month generation | 2.60 TWh | 415.5 GWh |
| Latest complete-year capacity factor | 57.3% (2025) | 8.3% (2025) |
| National technology rank | #312 of 538 | #93 of 825 |
| Latest EIA report | 2026-06 | 2026-06 |